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Joined: Feb 2006
Posts: 7
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OP
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This weekend I decideed to clean my UIMs w/out removal. At wall mart I picked up 2 cans of B-12, and a beer bong looking thing. The first method I tried was to let the b12 run thru each vaccum line with engine running. I did not get much smoke out of the back and the only difference I noticed was probably from the TB cleaning I did. I just sprayed some Valvoline carb cleaner in and used a tooth brush, then a clean rag to get the crap out. I did notice a slight improvement in throttle response but nothing big.
The next day, I tried something different. I had the engine running and poured some b12 in. The engine stalled and I kept if off. I poured some more b12 in one hose, then the other. I let the car sit like this for about 1/2 hour. When I started the car, it sounded bad, nasty idle, bad smell and of course the smoke. The engine eventually smoothed out and I started driving. The difference from the second method was much more noticable. Must be from the b-12 sitting on the valves and breaking up the carbon. Tonight I'll do it again only I'll use Sea Foam. I've heard people say it's worth the extra $. I reccomend this 2nd method for anyone who like me is scared to remove the IMs.
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Joined: Jun 2005
Posts: 5,345
Addicted CEG\'er
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Addicted CEG\'er
Joined: Jun 2005
Posts: 5,345 |
Welcome  .
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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Joined: Feb 2006
Posts: 7
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Thanks but I'm not new. 3 weeks ago I was banned for 2 weeks. I'm still unable to post under my original name.
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Joined: Oct 2000
Posts: 4,149
Hard-core CEG'er
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Hard-core CEG'er
Joined: Oct 2000
Posts: 4,149 |
Originally posted by HockaLoogie:
I poured some more b12 in one hose, then the other.
What hoses are you talking about?
-- 1999 SVT #220 --
In retrospect, it was all downhill from here. RIP, CEG.
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Joined: Jul 2001
Posts: 7,100
Addicted CEG\'er
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Addicted CEG\'er
Joined: Jul 2001
Posts: 7,100 |
Originally posted by HockaLoogie:
Thanks but I'm not new. 3 weeks ago I was banned for 2 weeks. I'm still unable to post under my original name.
You were banned and, instead of pming the mods to ask why you aren't unbanned, etc, you create a new screen name (which, by the way, is grounds for permanent banning!!!!)
??
Your on the car method did jack #$@@ for your car, unless you have already cleaned the UIM/LIM while off the car. on the car method is a maintenance procedure...
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.
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Joined: Feb 2006
Posts: 7
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Ray, if you PM me a working Name, I'll explain in private.
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Joined: Feb 2006
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I'm sure it didn't do much, but the performance gain is noticable. The car has 105k on the clock and Letting some B-12 sit on the valves for a little while must have done something. It's most noticable in the lower RPMs. I'd love to do a rebuild but I'm sure on my engine that would just be opening up a whole new can of worms. Plus i don't have the stones to do it myself.
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Joined: May 2004
Posts: 9,872
Addicted CEG\'er
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Addicted CEG\'er
Joined: May 2004
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imagine cleaning it like this  
#0009
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Joined: Oct 2000
Posts: 4,149
Hard-core CEG'er
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Hard-core CEG'er
Joined: Oct 2000
Posts: 4,149 |
Originally posted by HockaLoogie:
Letting some B-12 sit on the valves for a little while must have done something.
This makes NO sense. How *exactly* are you getting fluid to "sit on the valves?"
-- 1999 SVT #220 --
In retrospect, it was all downhill from here. RIP, CEG.
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Joined: Feb 2006
Posts: 7
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That looks so good  I hear of all these posts about people cleaning their Uppers and lowers but see no mentions about performance gains. I'm sure they go without saying but there seems to be more posts about what went wrong in the prosses. In response to the above post, I imagine that pouring b-12 into the engine while off would let it set into the carbon built up on the valves and other parts of the engine wihout burning off. does this make sense or are the images in my head wrong? 
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